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4 papers · 2 filters
Cosmological constant and late transient acceleration of the universe in the Horava-Witten Heterotic M-Theory on S^{1}/Z_{2}
Yungui Gong, Anzhong Wang, Qiang Wu
Orbifold branes are studied in the framework of the 11-dimensional Horava-Witten heterotic M-Theory. It is found that the effective cosmological constant can be easily lowered to i…
W-pair production in Unparticle Physics
Swapan Majhi
We consider the -pair production for both and hadron colliders in the context of unparticle physics associated with the scale invariant sector proposed by Georgi. We ha…
IR-Improved DGLAP Theory: Kernels, Parton Distributions, Reduced Cross Sections
B. F. L. Ward
It is shown that exact, amplitude-based resummation allows IR-improvement of the usual DGLAP theory. This results in a new set of kernels, parton distributions and attendant reduce…
Quark Masses and Resummation in Precision QCD Theory
B. F. L. Ward
It is shown that amplitude-based, exact resummation tames the un-cancelled IR divergences at O(alpha_s^2) in initial state radiation in QCD with massive quarks. Implications for pr…